CN109627629A - A kind of self-cleaning antibacterial wood plastic composite and preparation method thereof - Google Patents
A kind of self-cleaning antibacterial wood plastic composite and preparation method thereof Download PDFInfo
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- CN109627629A CN109627629A CN201811504892.3A CN201811504892A CN109627629A CN 109627629 A CN109627629 A CN 109627629A CN 201811504892 A CN201811504892 A CN 201811504892A CN 109627629 A CN109627629 A CN 109627629A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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Abstract
The invention discloses a kind of self-cleaning antibacterial wood plastic composites, raw material including following mass fraction: 30~55 parts of PVC resin powder, 15~30 parts of the pretreated biomass fiber of nano-titanium dioxide-nano silver composite antibacterial agent, 10~15 parts of activated Calcium carbonate, 0.3~2 part of coupling agent, 1~5 part of regulator of plasticising, 2~6 parts of stabilizer, 1~3 part of processing aid, 1~3 part of lubricant, 1~5 part of toughener, the present invention also provides a kind of preparation methods of self-cleaning antibacterial wood plastic composite, include the following steps: S100, raw material is weighed in proportion, it carries out obtaining premix after mixed processing；S200, extruder is added in premix and heats extrusion；S300, treated raw material by mold molding, traction and cutting is obtained into wood plastic composite, the self-cleaning antibacterial wood moulding good anti-bacterial effect made of this formula and method can effectively solve the problems, such as that Wood-plastic material surface is easy to pollute and bacteria breed.
Description
Technical field
The present invention relates to Wood-plastic material technical field, specially a kind of self-cleaning antibacterial wood plastic composite and its preparation side
Method.
Background technique
It is main that wood plastic composite, which is by plant fiber powder (wood powder, stalk, forestry three remain object etc.) and thermoplastic,
Raw material, a kind of novel environment-friendly composite material manufactured by physics, chemistry and biotechnology grade high technical matters, zero first
Aldehyde, it is resistance to damage by worms, be corrosion-resistant, chemically-resistant reaction, water imbibition are small etc. at the same make the advantages of having both timber and plastics its transport service,
The fields such as interior decoration, construction industry, article of furniture industry, garden landscape.
But wood plastic composite is storing, and in transport and use process, due to humidity in ambient enviroment and air, has
The influence for doing harm to particle and gas etc. is enriched with polluter etc., it is unfavorable to cause to human health in its surface bacterium easy to breed
The problems such as influencing, how solving the pollution and fine and glossy growth of surface of wood-plastic composite material, the self-cleaning antibacterial for increasing Wood-plastic material
Ability, at urgent problem to be solved.
Summary of the invention
In order to overcome the shortcomings of prior art, the present invention provides a kind of self-cleaning antibacterial wood plastic composite and its system
Preparation Method can effectively solve wood plastic composite and its product in use, and surface is easy to pollute and bacteria breed is asked
Topic can effectively solve the problem of background technique proposes.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of self-cleaning antibacterial wood plastic composite, the raw material including following mass fraction:
The pretreated biomass fiber of 30~55 parts of PVC resin powder, nano-titanium dioxide-nano silver composite antibacterial agent 15~
30 parts, 10~15 parts of activated Calcium carbonate, 0.3~2 part of coupling agent, 1~5 part of regulator of plasticising, 2~6 parts of stabilizer, processing
1~3 part of auxiliary agent, 1~3 part of lubricant, 1~5 part of toughener.
Further, the nano-titanium dioxide-nano silver composite antibacterial agent pretreated biomass fiber preparation side
Method are as follows:
Nano-titanium dioxide-nano silver composite antibacterial agent that mass fraction is 5~15% is sprayed on biomass fiber table
Face stirs 10-20min 105-120 DEG C in high-speed mixer, under the conditions of 600-1000r/min and obtains nano-titanium dioxide-and receive
The pretreated biomass fiber of the silver-colored complex antimicrobials of rice.
Further, the nano-titanium dioxide-nano silver composite antibacterial agent is prepared by the following method:
Titanium tetrachloride is dissolved in aqueous hydrochloric acid solution, the titanium tetrachloride hydrochloric acid solution of 2~5wt% is prepared, to tetrachloro
30% ammonium hydroxide is added in change titanium salt acid solution, peroxidating is added as titanium hydroxide colloidal solution, then to titanium hydroxide colloidal solution
The volume ratio control of hydrogen and 0.02~0.2mol/L silver nitrate aqueous solution, titanium hydroxide colloidal solution and silver nitrate aqueous solution exists
500:1~100:1, the solution identification in 60 DEG C~100 DEG C 2~5h of heating, and after sampling through oxygen-carrying ion are produced as without precipitating
Only, nano-titanium dioxide-nano silver composite antibacterial agent can be obtained.
Further, the biomass fiber be one of straw powder, wood chips, bamboo powder or cotton shell powder or
Several mixtures, partial size is in 80~150 mesh.
Further, the lubricant is the mixture of one of stearic acid, paraffin or two kinds, the processing aid
It is ACR resin, the foaming control agent is acrylic polymer, and the foaming agent is AC foaming agent or sodium bicarbonate foaming
One of agent.
Further, the coupling agent is maleic anhydride grafted polyethylene, maleic anhydride inoculated polypropylene, the coupling of silicon Anhui
One of agent, aluminate coupling agent or several mixtures.
In addition, including the following steps: the present invention also provides a kind of preparation method of self-cleaning antibacterial wood plastic composite
S100, raw material is weighed in proportion, carry out obtaining premix after mixed processing；
S200, extruder is added in premix and is heated to 120~180 DEG C of extrusions, extruder barrel temperature 130~180
DEG C, 130~200 DEG C of mold temperature, 10~30r/min of engine speed, 10~25r/min of feeding revolving speed；
S300, treated raw material by mold molding, traction and cutting is obtained into wood plastic composite.
Specific treatment process in the step S100 are as follows: receive PVC resin powder, activated Calcium carbonate, nano-titanium dioxide-
The pretreated biomass fiber of the silver-colored complex antimicrobials of rice, stabilizer, lubricant, processing aid, toughener, coupling agent, hair
After infusion and foaming control agent weigh by weight, stir 10 under the conditions of 105~120 DEG C~be cooled to 40 after twenty minutes~
60 DEG C obtain premix.
Further, in the step S100, the whipping process of material are as follows:
The pretreated biomass of PVC resin powder, activated Calcium carbonate and nano-titanium dioxide-nano silver composite antibacterial agent is fine
Dimension mixing, is heated to 50~70 DEG C, stirs 10~15min with revolving speed for the revolving speed of 1000r/min, until obtaining thick mix
Close object；
Mixture heat preservation to obtaining, the superposed layer on surface is scraped off, and mixture is added in foaming agent and coupling agent and is obtained
To foamed；
Foaming control agent is added in foamed and is heated to 60~70 DEG C, stirs 15 with revolving speed for the revolving speed of 2000r/min
~20min, and it is continually fed into the nitrogen that temperature is 60~70 DEG C, until generating to obtain defoaming material without obvious bubble in mixture；
Stabilizer, processing aid, toughener and lubricant are added in defoaming material, are 3000r/min with revolving speed
Revolving speed stir 20~25min, until be mixed thoroughly to obtain premix；
It is passed through 10~20 DEG C of nitrogen again, cooling down is carried out to premix, until temperature is reduced to 40~60 DEG C.
Further, the mold in the step S300 uses titanium alloy mold.
Compared with prior art, the beneficial effects of the present invention are:
(1) present invention is prepared with high-efficiency broad spectrum antibacterial by the way that both nano-titanium dioxide and nano silver is compound
Active nano-titanium dioxide-nano silver composite antibacterial agent, and with the complex antimicrobials preprocessing biomass fiber surface, not only
It can assign wood plastic composite good anti-microbial property, moreover it is possible to which the self-cleaning function for reaching wood moulding surface further expands wood moulding
The application field of material；
(2) since complex antimicrobials have good biocompatibility and stability, biomass fiber can be effectively improved
With the interface compatibility between plastics the two, the physical and mechanical property of Wood-plastic material is promoted.
Detailed description of the invention
Fig. 1 is preparation method workflow schematic diagram of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1:
The present invention provides a kind of self-cleaning antibacterial wood plastic composite, the raw material including following mass fraction:
15 parts of the pretreated biomass fiber of 30 parts of PVC resin powder, nano-titanium dioxide-nano silver composite antibacterial agent is lived
Property 10 parts of calcium carbonate, 0.3 part of coupling agent, plasticising 1 part of regulator, 2 parts of stabilizer, 1 part of processing aid, 1 part of lubricant, increase
Tough dose 1 part.
Embodiment 2:
The present invention provides a kind of self-cleaning antibacterial wood plastic composite, the raw material including following mass fraction:
22 parts of the pretreated biomass fiber of 42 parts of PVC resin powder, nano-titanium dioxide-nano silver composite antibacterial agent is lived
Property 12 parts of calcium carbonate, 1.2 parts of coupling agent, plasticising 3 parts of regulator, 4 parts of stabilizer, 2 parts of processing aid, 2 parts of lubricant, increase
Tough dose 3 parts.
Embodiment 3:
The present invention provides a kind of self-cleaning antibacterial wood plastic composite, the raw material including following mass fraction:
30 parts of the pretreated biomass fiber of 55 parts of PVC resin powder, nano-titanium dioxide-nano silver composite antibacterial agent is lived
Property 15 parts of calcium carbonate, 2 parts of coupling agent, plasticising 5 parts of regulator, 6 parts of stabilizer, 3 parts of processing aid, 3 parts of lubricant, toughening
5 parts of agent.
In above-described embodiment 1, embodiment 2 and embodiment 3: pre- by nano-titanium dioxide-nano silver composite antibacterial agent
The biomass fiber of processing the preparation method comprises the following steps:
Nano-titanium dioxide-nano silver composite antibacterial agent that mass fraction is 5~15% is sprayed on biomass fiber table
Face stirs 10-20min 105-120 DEG C in high-speed mixer, under the conditions of 600-1000r/min and obtains nano-titanium dioxide-and receive
The silver-colored pretreated biomass fiber of complex antimicrobials of rice, using aforesaid way treated biomass fiber can and nano-silica
Change titanium-nano silver composite antibacterial agent good combination, obtain the biomass fiber with antibacterial effect, is mentioned for subsequent preparation work
For raw material.
Nano-titanium dioxide-nano silver composite antibacterial agent in the present invention can be prepared by the following method:
Titanium tetrachloride is dissolved in aqueous hydrochloric acid solution, the titanium tetrachloride hydrochloric acid solution of 2~5wt% is prepared, to tetrachloro
30% ammonium hydroxide is added in change titanium salt acid solution, peroxidating is added as titanium hydroxide colloidal solution, then to titanium hydroxide colloidal solution
The volume ratio control of hydrogen and 0.02~0.2mol/L silver nitrate aqueous solution, titanium hydroxide colloidal solution and silver nitrate aqueous solution exists
500:1~100:1, the solution identification in 60 DEG C~100 DEG C 2~5h of heating, and after sampling through oxygen-carrying ion are produced as without precipitating
Only, nano-titanium dioxide-nano silver composite antibacterial agent can be obtained.
Biomass fiber is one of straw powder, wood chips, bamboo powder or cotton shell powder or several mixtures,
Partial size is in 80~150 mesh.
Lubricant is the mixture of one of stearic acid, paraffin or two kinds, and the processing aid is ACR resin, institute
Stating foaming control agent is acrylic polymer, and the foaming agent is one of AC foaming agent or sodium bicarbonate foaming agent.
Coupling agent is maleic anhydride grafted polyethylene, maleic anhydride inoculated polypropylene, silicon Anhui coupling agent, aluminate coupling agent
One of or several mixtures.
In addition, the formula based on self-cleaning antibacterial wood plastic composite provided by embodiment 1 to embodiment 3, the present invention
The preparation method of the self-cleaning antibacterial wood plastic composite is additionally provided, is specifically comprised the following steps:
S100, weigh raw material by formula rate provided by embodiment 1 to 3 any one of embodiment, carry out mixed processing it
After obtain premix；
S200, extruder is added in premix and is heated to 120~180 DEG C of extrusions, extruder barrel temperature 130~180
DEG C, 130~200 DEG C of mold temperature, 10~30r/min of engine speed, 10~25r/min of feeding revolving speed；
S300, treated raw material by mold molding, traction and cutting is obtained into wood plastic composite.
Specific treatment process in step S100 are as follows: by PVC resin powder, activated Calcium carbonate, nano-titanium dioxide-nano silver
The pretreated biomass fiber of complex antimicrobials, stabilizer, lubricant, processing aid, toughener, coupling agent, foaming agent
And after foaming control agent weighs by weight, under the conditions of 105~120 DEG C stir 10~be cooled to 40~60 DEG C after twenty minutes
Obtain premix.
In step S100, the whipping process of material are as follows:
The pretreated biomass of PVC resin powder, activated Calcium carbonate and nano-titanium dioxide-nano silver composite antibacterial agent is fine
Dimension mixing, is heated to 50~70 DEG C, stirs 10~15min with revolving speed for the revolving speed of 1000r/min, until obtaining thick mix
Object is closed, main raw material is mixed for the first time, for being stirred for the first time, is carried out in such a way that the revolving speed lower time is shorter
Stirring can maximally reduce energy dissipation while guarantee stirs evenly；
Mixture heat preservation to obtaining, the superposed layer on surface is scraped off, and mixture is added in foaming agent and coupling agent and is obtained
To foamed, the superposed layer on mixture surface is scraped off, improves subsequent mixed effect, prevents the superposed layer pair for being suspended in surface
Mixed process has an impact；
Foaming control agent is added in foamed and is heated to 60~70 DEG C, stirs 15 with revolving speed for the revolving speed of 2000r/min
~20min, and it is continually fed into the nitrogen that temperature is 60~70 DEG C, until generate to obtain defoaming material without obvious bubble in mixture,
After heating, isothermal holding is carried out by being continually fed into mutually synthermal nitrogen, while removes residual using the nitrogen being passed through
Gas in foamed, effectively improves the degree of purity of foamed, at the same prevent wherein remaining gas to the system of Wood-plastic material
It is standby to have an impact.
Stabilizer, processing aid, toughener and lubricant are added in defoaming material, are 3000r/min with revolving speed
Revolving speed stir 20~25min, until be mixed thoroughly to obtain premix；
It is passed through 10~20 DEG C of nitrogen again, cooling down is carried out to premix, until temperature is reduced to 40~60 DEG C, adopts
Cooling processing is carried out to obtained premix with the mode that low temperature nitrogen cools down, it not only can be to pre- by gas-cooled mode
Mixing is cooled down comprehensively, is guaranteed that the everywhere of premix is all cooled, is not in the non-uniform situation of Local cooling.
Further, in entire whipping process, with being continuously increased for raw material, the revolving speed of stirring and time constantly increase
Add, subsequent whipping process is quickly stirred by the raw material of addition.
Mold in step S300 uses titanium alloy mold.
Using the physical and mechanical property test result of self-cleaning antibacterial wood plastic composite prepared by above-mentioned formula and method
It is as shown in the table:
| Serial number | Inspection project | Unit | Standard requirements | Inspection result |
| 1 | Moisture content | % | ≤2 | 0.2 |
| 2 | Bending strength | MPa | ≥20 | 32 |
| 3 | Bending elastic modulus | MPa | ≥1800 | 2412 |
| 4 | Thickness swelling rate | % | ≤0.5 | 0.2 |
| 5 | Dimensional stability | % | ≤1.5 | 0.2 |
| 6 | Shore hardness | HD | ≥55 | 75 |
| 7 | Burst size of methanal | mg/ | ≤1.5 | 0.1 |
| 8 | Mould proof grade | - | - | 0 |
By above-mentioned test result it is found that being had using the self-cleaning antibacterial wood plastic composite of the formula production in the present invention
Good physical property.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (10)
1. a kind of self-cleaning antibacterial wood plastic composite, which is characterized in that the raw material including following mass fraction:
The pretreated biomass fiber 15~30 of 30~55 parts of PVC resin powder, nano-titanium dioxide-nano silver composite antibacterial agent
Part, 10~15 parts of activated Calcium carbonate, 0.3~2 part of coupling agent, 1~5 part of regulator of plasticising, 2~6 parts of stabilizer, processing help
1~3 part of agent, 1~3 part of lubricant, 1~5 part of toughener.
2. a kind of self-cleaning antibacterial wood plastic composite according to claim 1, it is characterised in that: the biomass fiber
Preparation method include:
Firstly, the nano-titanium dioxide for the biomass fiber for being containing mass fraction 5~15%-nano silver composite antibacterial agent is sprayed
In biomass fiber surface；
Then, 10-20min is stirred 105-120 DEG C in high-speed mixer, under the conditions of 600-1000r/min to obtain by nanometer
Titanium dioxide-pretreated the biomass fiber of nano silver composite antibacterial agent.
3. a kind of self-cleaning antibacterial wood plastic composite according to claim 1 or 2, it is characterised in that: the nanometer
Titanium dioxide-nano silver composite antibacterial agent preparation method includes:
Titanium tetrachloride is dissolved in aqueous hydrochloric acid solution, the titanium tetrachloride hydrochloric acid solution of 2~5wt% is prepared；
30% ammonium hydroxide is added into titanium tetrachloride hydrochloric acid solution as titanium hydroxide colloidal solution；
Hydrogen peroxide and 0.02~0.2mol/L silver nitrate aqueous solution is added to titanium hydroxide colloidal solution again；Titanium hydroxide colloid
The volume ratio of solution and silver nitrate aqueous solution is controlled in 500:1~100:1；
In 60 DEG C~100 DEG C 2~5h of heating, until the solution identification after sampling through oxygen-carrying ion is generated without precipitating
Obtain nano-titanium dioxide-nano silver composite antibacterial agent.
4. a kind of self-cleaning antibacterial wood plastic composite according to claim 2, it is characterised in that: the biomass fiber
It is one of straw powder, wood chips, bamboo powder and cotton shell powder or several mixtures, partial size is in 80~150 mesh.
5. a kind of self-cleaning antibacterial wood plastic composite according to claim 1, it is characterised in that:
The lubricant is the mixture of one of stearic acid, paraffin or two kinds；
The processing aid is ACR resin；
The foaming control agent is acrylic polymer；
The foaming agent is AC foaming agent or sodium bicarbonate foaming agent.
6. a kind of self-cleaning antibacterial wood plastic composite according to claim 1, it is characterised in that: the coupling agent is horse
In maleic anhydride grafted polyethylene, maleic anhydride inoculated polypropylene, silicon Anhui coupling agent and aluminate coupling agent any one or
Several mixtures.
7. a kind of preparation method of self-cleaning antibacterial wood plastic composite as described in claim 1, which is characterized in that including as follows
Step:
S100, raw material is weighed in proportion, carry out obtaining premix after mixed processing；
S200, extruder is added in premix and is heated to 120~180 DEG C of extrusions；Extruder barrel temperature is 130~180 DEG C,
Mold temperature is 130~200 DEG C, and engine speed is 10~30r/min, and feeding revolving speed is 10~25r/min；
S300, the raw material after extrusion is successively passed through mold molding, traction and cutting obtain wood plastic composite.
8. a kind of preparation method of self-cleaning antibacterial wood plastic composite according to claim 7, which is characterized in that described
Step S100 includes:
By PVC resin powder, activated Calcium carbonate, nano-titanium dioxide-pretreated biomass fiber of nano silver composite antibacterial agent, ring
After guarantor's stabilizer, lubricant, processing aid, toughener, coupling agent, foaming agent and foaming control agent weigh by weight, 105
Stirring 10 under the conditions of~120 DEG C~be cooled to 40~60 DEG C after twenty minutes and obtain premix.
9. a kind of preparation method of self-cleaning antibacterial wood plastic composite according to claim 7, which is characterized in that described
In step S100, the whipping process of material are as follows:
PVC resin powder, activated Calcium carbonate and nano-titanium dioxide-pretreated biomass fiber of nano silver composite antibacterial agent are mixed
It closes, is heated to 50~70 DEG C, 10~15min is stirred for the revolving speed of 1000r/min with revolving speed, until obtaining thick mixing
Object；
Mixture heat preservation to obtaining, the superposed layer on surface is scraped off, and mixture is added in foaming agent and coupling agent and is sent out
Steep object；
Will foaming control agent be added foamed in be heated to 60~70 DEG C, with revolving speed for 2000r/min revolving speed stirring 15~
20min, and it is continually fed into the nitrogen that temperature is 60~70 DEG C, until generating to obtain defoaming material without obvious bubble in mixture；
Stabilizer, processing aid, toughener and lubricant are added in defoaming material, with revolving speed turning for 3000r/min
Speed 20~25min of stirring, until being mixed thoroughly to obtain premix；
It is passed through 10~20 DEG C of nitrogen again, cooling down is carried out to premix, until temperature is reduced to 40~60 DEG C.
10. a kind of preparation method of self-cleaning antibacterial wood plastic composite according to claim 7, which is characterized in that institute
Stating mold used by formed in mould technique described in step S300 includes titanium alloy mold.
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| CN113214579A (en) * | 2021-05-28 | 2021-08-06 | 山东宜居新材料科技有限公司 | Antibacterial ecological floor and preparation method thereof |
| CN113652035A (en) * | 2021-05-28 | 2021-11-16 | 山东宜居新材料科技有限公司 | Self-cleaning antibacterial wood-plastic floor and preparation method thereof |
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| CN111117116A (en) * | 2019-12-31 | 2020-05-08 | 安徽科居新材料科技有限公司 | Antibacterial agent and wood-plastic composite material |
| CN113214579A (en) * | 2021-05-28 | 2021-08-06 | 山东宜居新材料科技有限公司 | Antibacterial ecological floor and preparation method thereof |
| CN113652035A (en) * | 2021-05-28 | 2021-11-16 | 山东宜居新材料科技有限公司 | Self-cleaning antibacterial wood-plastic floor and preparation method thereof |
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Application publication date: 20190416 |